Subject :NSO Class : Class 10
Subject :NSO Class : Class 4
Ans 1:
Class : Class 8
The Answer is C.
NOW THE QUESTION IS HOW?
THE ANSWER IS THE MACHINES SHOWN IN PICTURE A,B,D RUNS BY MUSCULAR .
FORCE.
THE OPTION C RUNS BY MOTOR.
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Subject :NSO Class : Class 10
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Subject :NSO Class : Class 3
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Subject :NSO Class : Class 2
Ans 1:
Class : Class 5
Option D is not incorrect, since earth's position change and not sun's. Further, option C should be the wrong answer, since shadow length are same in 10AM and 2 PM, 11AM, 1 PM and likewise
Ans 2:
Class : Class 3
Sun's position doesn't change, we see it changing due to earth's rotation i.e. earth's changing position. Then how D is incorrect option. No option is incorrect in this question.
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Subject :NSO Class : Class 5
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Subject :NSO Class : Class 6
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Subject :NSO Class : Class 2
Rock X floats on water while rock Y wears easily when rubbed.
Which of the following options correctly identifies these rocks?
| X | Y | |
| A | Pumice | Granite |
| B | Granite | Chalk |
| C | Marble | Slate |
| D | Pumice | Chalk |
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Subject :NSO Class : Class 4
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Subject :NSO Class : Class 4